With the Vizelex Cinepro Nikon to Canon EOS Lens Adapter from Fotodiox, mounting a Nikon G-type lens onto your Canon EOS camera body has never been more professional. This all-metal adapter includes a ring that allows you to manually dial in the aperture of your Nikon G-type lens. An included removable handle attaches to the aperture ring for easy access and smooth adjustment. Aperture control like this is crucial for professional photography and filmmaking.